From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Sat, 13 Dec 2014 01:41:49 +0000 (+0000)
Subject: re PR go/61254 (gccgo: spurious "error: slice end must be integer" [GoSmith])
X-Git-Tag: upstream/12.2.0~58093
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=967b254be1e60b4cb21c8e55a7f4b0346149b3ec;p=platform%2Fupstream%2Fgcc.git

re PR go/61254 (gccgo: spurious "error: slice end must be integer" [GoSmith])

	PR go/61254
compiler: Don't move nil subexpressions into temporaries.

From-SVN: r218701
---

diff --git a/gcc/go/gofrontend/statements.cc b/gcc/go/gofrontend/statements.cc
index 5b8c2e7..6094e5c 100644
--- a/gcc/go/gofrontend/statements.cc
+++ b/gcc/go/gofrontend/statements.cc
@@ -677,7 +677,8 @@ Move_subexpressions::expression(Expression** pexpr)
 {
   if (this->skip_ > 0)
     --this->skip_;
-  else if ((*pexpr)->temporary_reference_expression() == NULL)
+  else if ((*pexpr)->temporary_reference_expression() == NULL
+	   && !(*pexpr)->is_nil_expression())
     {
       Location loc = (*pexpr)->location();
       Temporary_statement* temp = Statement::make_temporary(NULL, *pexpr, loc);